250 prompts matching "Crystallisation, and how it purifies a solid"
Chemistry at work: Equilibrium in the contact process for sulphuric acid
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on equili
Spot my mistake: Proposing boiling as a cure for permanent hardness
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Spot my mistake: Blaming ozone depletion for the warming that greenhouse gases cause
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Spot my mistake: The errors most often made in second-term SS2 Chemistry
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Spot my mistake: Describing every plastic as a condensation polymer
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Spot my mistake: Proposing a higher temperature to raise the ammonia yield
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Spot my mistake: Describing limestone as the reducing agent
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Spot my mistake: The errors most often made in third-term SS2 Chemistry
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Quiz me: The formation of an ionic bond in sodium chloride
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Practice set: The formation of a covalent bond in a simple molecule
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Quiz me: The properties that metallic bonding explains
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Quiz me: Recognising oxidation in a given equation
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Exam practice: Identifying the species oxidised in a reaction
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Calculation practice: Working out the change in oxidation number
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Real-life Nigeria: Oxidation in the rusting of Nigerian roofing sheets
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Practice set: Balancing a redox equation by half-equations
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Calculation practice: Balancing a redox equation in acidic solution
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Teach me: The general physical properties of metals
You are my personal SS2 Chemistry tutor. Teach me the general physical properties of metal
Real-life Nigeria: Choosing the right metal for a given Nigerian use
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Practice set: Extraction by electrolysis
Act as my SS2 Chemistry tutor. Give me five practice questions on extraction by electrolys